Remote Backend Senior Engineer (Blockchain) - 1inch Network

1inch Network; United States; Remote; USD 80,000 - 100,000; Full time

Job summary

A decentralized finance technology company is seeking an experienced Blockchain Backend Developer. The role involves developing backend APIs using Node JS and TypeScript, working closely with DeFi protocols and Ethereum-like blockchains. Candidates should have strong skills in NestJS, Solidity, and experience with Kubernetes and Docker. The position offers remote work with flexible hours and competitive compensation based on skills and experience.

Benefits

Competitive salary

Flexible hours

Compensation for work equipment

Annual team building event

Qualifications

• 2+ years of experience in blockchain development.
• 5+ years overall development experience.
• Deep understanding of DeFi protocols at the smart contract level.

Responsibilities

• Develop backend APIs and libraries using Node JS (TypeScript, NestJS).
• Participate in weekly architecture design discussions.
• Work with Ethereum-like blockchains on RPC API and low-level tasks.
• Perform code refactoring and implement monitoring metrics.

Skills

Backend development on NodeJS

TypeScript/JavaScript

Ethereum blockchains knowledge

NestJS

Solidity

Kubernetes

Docker

Tools

Grafana

Kibana

Postgres

Job description

The 1inch Labs is a decentralised group of software builders and a key contributor to the 1inch Network. The 1inch Labs operates in the decentralised finance (DeFi) segment, which offers alternatives to traditional financial products, based on digital assets.

Among the 1inch Labs' products are the 1inch Aggregation Protocol, the 1inch Liquidity Protocol and the 1inch Limit Order Protocol, which enable users to swap crypto at the best rates, securely and fast.

The 1inch Labs' mission is to make DeFi services available to the highest possible number of users, offering them access to financial products built with cutting-edge tech.

Required work experience: 2+ years at blockchain and 5+ years overall

Responsibilities:

• development of backend APIs and libraries using Node JS (TypeScript) + NestJS framework;
• weekly participation in the design of architecture and review;
• working with Ethereum-like blockchains on RPC API and low level;
• code refactoring and metrics monitoring setup (Grafana, Kibana);

Requirements:

• backend development experience on NodeJS at production;
• confident knowledge of TypeScript / JavaScript;
• advanced understanding of Ethereum like blockchains (EVM, Node RPC API, state-machine, ABI encoding, callstack traces reading);
• deep knowledge of how DeFi protocols work at the smart contract level
• having experience with Kubernetes and Docker;

Qualifications:

• Must have: NestJS (NodeJS + TypeScript), Solidity, Hardhat (or Truffle), microservices pattern, SQL (Postgres), Ethereum-like blockchains experience
• Good to have: Golang, Vyper, Flashbots, TheGraph, DuneAnalytics, Tenderly;

Terms:

• Remote work, flexible hours (our team is distributed around the world).
• Young creative team, vibrant environment and adequate leadership.
• Suggestions welcome: propose an idea and execute it.
• Competitive salary based on a candidate's skills and experience.
• Work for a leader in its segment.
• Compensation for work equipment.
• Annual team building event at an international resort.